Recent Examples of fission from the Web
Fusion, as the name suggests, is the exact opposite of fission.
Antineutrinos are a by-product of the fission in a nuclear reactor, in which an atomic nucleus of a radioactive element such as plutonium splits into lighter elements.
In the early days of nuclear-fission bombs, that danger was palpable and understood.
Tweets scatter and replicate in a chain reaction reminiscent of nuclear fission.
Fusion reactors would be safer to operate and would generate much less radioactive waste than fission reactors.
So fission products and radioactive particles would continuously be expelled into the environment.
Los Alamos' Kilopower, a small and simple nuclear fission reactor, could be the key to powering long-term missions in space.
Fusion is relatively nonpolluting and does not create nuclear waste or melt down like fission reactors.
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FISSION Defined for English Language Learners
Definition of fission for English Language Learners
physics : a process in which the nucleus of a heavy atom is split apart
biology : a kind of reproduction in which a cell or body divides into two or more parts and each part grows into a whole new individual
FISSION Defined for Kids
Definition of fission for Students
medical Definition of fission
fissionverb fissioned; fissioning \ˈfish-(ə-)niŋ also ˈfizh-\
fissional\ˈfish-ən-ᵊl also ˈfizh-\ adjective
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